Reaction catalyzed by rhamnulose-1-phosphate aldolase (4.1.2.19)

		+			=		(3R,4S)-5-(benzyloxy)-3,4-dihydroxy-2-oxopentyl phosphate
	glycerone phosphate	+		benzyloxyacetaldehyde	=		(3R,4S)-5-(benzyloxy)-3,4-dihydroxy-2-oxopentyl phosphate